Global Patent Index - EP 1039756 A3

EP 1039756 A3 2001-01-31 - Apparatus and method for encoding and decoding digital video data

Title (en)

Apparatus and method for encoding and decoding digital video data

Title (de)

Gerät und Verfahren zur Kodierung und Dekodierung von digitalen Videodaten

Title (fr)

Appareil et méthode de codage et décodage de données video numériques

Publication

EP 1039756 A3 (EN)

Application

EP 00202503 A

Priority

  • EP 96305566 A
  • JP 19781395 A

Abstract (en)

[origin: EP0757492A2] Digital video data encoder and decoder operate to enable the low and high speed reproduction of variable rate encoded digital video data by reproducing and decoding intraframe encoded frames that are identified by previously reproduced intraframe encoded frames. In the encoder, digital video data is variable rate encoded (1), for example, intraframe and interframe encoded entry points (i.e., beginning positions) of selected encoded video data are identified and which represent video frames that occur at predetermined intervals of time (e.g., 1, 2 and 4 seconds) in the video picture. Entry point data that identify these positions are generated (31, 8, 33) and added (32, 6) to the encoded video data before the video data is recorded on the record medium (DSM). When the encoded data is reproduced from the record medium, the entry point data is extracted therefrom and stored, and a successive intraframe encoded frame identified by the extracted entry point data is reproduced and decoded. The invention further provides for a record medium having thereon the encoded digital video data, and also provides for an encoder and corresponding decoder which encode and decode, respectively, digital still image and audio data in which entry points refer to each of the still images and also to particular intervals of time of the audio data. <IMAGE>

IPC 1-7 (main, further and additional classification)

H04N 7/26; G11B 20/12; H04N 7/24; H04N 7/52

IPC 8 full level (invention and additional information)

H04N 5/78 (2006.01); G06T 9/00 (2006.01); G11B 20/10 (2006.01); H04N 5/92 (2006.01); H04N 7/24 (2011.01); H04N 7/52 (2011.01); H04N 19/102 (2014.01); H04N 19/134 (2014.01); H04N 19/162 (2014.01); H04N 19/423 (2014.01); H04N 19/46 (2014.01); H04N 19/50 (2014.01); H04N 19/503 (2014.01); H04N 19/577 (2014.01); H04N 19/65 (2014.01); H04N 19/70 (2014.01); H04N 19/89 (2014.01); H04N 21/2368 (2011.01); H04N 21/434 (2011.01); H04N 21/845 (2011.01)

CPC (invention and additional information)

H04N 19/89 (2014.11); G06T 9/007 (2013.01); G11B 27/005 (2013.01); H04N 7/52 (2013.01); H04N 21/4325 (2013.01); H04N 21/4334 (2013.01); H04N 21/4341 (2013.01); H04N 21/8455 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT DE ES FR GB IT NL

EPO simple patent family

EP 0757492 A2 19970205; EP 0757492 A3 19971119; EP 0757492 B1 20010912; AT 205656 T 20010915; AT 249710 T 20030915; AU 6086896 A 19970206; AU 723796 B2 20000907; CA 2181863 A1 19970203; CA 2181863 C 20060124; CN 1130922 C 20031210; CN 1152243 A 19970618; DE 69615111 D1 20011018; DE 69615111 T2 20020613; DE 69629957 D1 20031016; DE 69629957 T2 20040715; EP 1039756 A2 20000927; EP 1039756 A3 20010131; EP 1039756 B1 20030910; ES 2161331 T3 20011201; ES 2201999 T3 20040401; JP 3484832 B2 20040106; JP H0951533 A 19970218; MX 9603108 A 19970628; MX PA00012448 A 20050725; MY 117793 A 20040830; TW 317064 B 19971001; US 6363212 B1 20020326

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